package com.bawei.auth.service;

import cn.hutool.core.util.RandomUtil;
import com.bawei.auth.util.MsgUtil;
import com.bawei.common.core.constant.Constants;
import com.bawei.common.core.constant.SecurityConstants;
import com.bawei.common.core.constant.UserConstants;
import com.bawei.common.core.domain.R;
import com.bawei.common.core.enums.UserStatus;
import com.bawei.common.core.exception.ServiceException;
import com.bawei.common.core.utils.StringUtils;
import com.bawei.common.redis.service.RedisService;
import com.bawei.common.security.utils.SecurityUtils;
import com.bawei.system.domain.SysUser;
import com.bawei.system.domain.model.LoginUser;
import com.bawei.system.remote.api.RemoteUserService;
import lombok.extern.log4j.Log4j2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 登录校验方法
 *
 * @author bawei
 */
@Component
@Log4j2
public class SysLoginService
{
    @Autowired
    private RemoteUserService remoteUserService;

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysRecordLogService recordLogService;

    @Autowired
    private RedisService redisService;

    @Autowired
    private MsgUtil msgUtil;




    /**
     * 登录
     */
    public LoginUser login(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户/密码必须填写");
            throw new ServiceException("用户/密码必须填写");
        }

        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户密码不在指定范围");
            throw new ServiceException("用户密码不在指定范围");
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户名不在指定范围");
            throw new ServiceException("用户名不在指定范围");
        }
        // 查询用户信息
        R<LoginUser> userR = remoteUserService.getUserInfo(username, SecurityConstants.INNER);

        if (StringUtils.isNull(userR) || StringUtils.isNull(userR.getData()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "登录用户不存在");
            throw new ServiceException("登录用户：" + username + " 不存在");
        }

        if (R.FAIL == userR.getCode())
        {
            throw new ServiceException(userR.getMsg());
        }

        LoginUser userInfo = userR.getData();
        SysUser user = userR.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }
        passwordService.validate(user, password);
        recordLogService.recordLogininfor(username, Constants.LOGIN_SUCCESS, "登录成功");
        return userInfo;
    }

    public void logout(String loginName)
    {
        recordLogService.recordLogininfor(loginName, Constants.LOGOUT, "退出成功");
    }

    /**
     * 注册
     */
    public void register(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password))
        {
            throw new ServiceException("用户/密码必须填写");
        }
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            throw new ServiceException("账户长度必须在2到20个字符之间");
        }
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            throw new ServiceException("密码长度必须在5到20个字符之间");
        }

        // 注册用户信息
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);
        sysUser.setNickName(username);
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        R<?> registerR = remoteUserService.registerUserInfo(sysUser, SecurityConstants.INNER);

        if (R.FAIL == registerR.getCode())
        {
            throw new ServiceException(registerR.getMsg());
        }
        recordLogService.recordLogininfor(username, Constants.REGISTER, "注册成功");
    }

    public void getCode(String phone) {

        if(redisService.hasKey(phone)){
            throw new ServiceException("一分钟只能发送一次");
        }

        String regex = "^1[34578]\\d{9}$";
        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(phone);

        if(matcher.matches()){
            String codeNumber = RandomUtil.randomNumbers(6);
            redisService.setCacheObject(phone,codeNumber);
            redisService.expire(phone,60);
            String codeMsg = msgUtil.sendMsg(phone, codeNumber);
            if(!codeMsg.contains("成功")){
                throw new ServiceException("验证码发送失败，请重试！");
            }
            log.info("验证码是："+codeNumber);
        }else {
            throw new ServiceException("请检查手机号格式！！");
        }
    }

    public LoginUser phoneLogin(String phone, String code) {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(phone, code))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "手机号/验证码必须填写");
            throw new ServiceException("手机号/验证码必须填写");
        }
        if(redisService.hasKey(phone)){
            String codeNumber = redisService.getCacheObject(phone);
            if(!codeNumber.equals(code)){
                throw new ServiceException("验证码不正确，请重试！");
            }
        }else {
            throw new ServiceException("验证码已过期，请重新发送！");
        }
        R<LoginUser> userByPhone = remoteUserService.getUserByPhone(phone, SecurityConstants.INNER);
        LoginUser loginUser = userByPhone.getData();
        if(loginUser==null){
            throw new ServiceException("手机号不存在，请先注册！");
        }
        recordLogService.recordLogininfor(phone, Constants.LOGIN_SUCCESS, "登录成功");
        return loginUser;
    }
}
